body {
  /*  background: url(../images/bg_02.png) no-repeat;
  background-size: cover;*/
  width: 100%;
}

.mainContent {
  width: 1290px;
  margin: auto;
  background: url(../images/bg_02.png) no-repeat;
  background-size: cover;
}


/*下拉导航*/

.cont-nav {
  width: 100%;
  height: auto;
  font-family: Microsoft Yahei;
  position: absolute;
  text-align: center;
  top: 2.5rem;
  z-index: 1;
  justify-content: center;
  -ms-align-items: center;
  align-items: center;
}


/*导航模块*/

.cont-nav-item {
  min-width: 110%;
  min-height: 2rem;
  font-size: 0.875rem;
  cursor: pointer;
  background: #fff;
  padding: 2px 0;
  text-align: center;
  color: #333;
  border-bottom: 1px solid #f8d81b;
  justify-content: center;
  -ms-align-items: center;
  align-items: center;
}

.cont-nav-item a {
  color: #333 !important;
}

.cont-nav-item.choose {
  font-weight: bold;
  background: -webkit-linear-gradient(#f8d81b, #fabf13);
  background: -o-linear-gradient(#f8d81b, #fabf13);
  background: -moz-linear-gradient(#f8d81b, #fabf13);
  background: linear-gradient(#f8d81b, #fabf13);
}


/*主要内容*/

.cont {
  width: 72%;
  height: 31.5rem;
  margin: 2rem auto;
  background: #f9f1d1;
  border-radius: 0.3rem;
}


/*iframe*/

#iframe {
  border-radius: 0 0.3rem 0.3rem 0;
  border: none;
}


/*页脚*/

.footer {
  width: 72%;
  height: 1rem;
  font-size: 0.75rem;
  margin: 2rem auto 1rem;
  justify-content: center;
  -ms-align-items: center;
  align-items: center;
}

.footer span {
  margin: 0 0.5rem;
  color: #fff;
}
